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-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/psympriv.h6
-rw-r--r--gdb/symtab.h13
3 files changed, 25 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7c5efceb352..41daef6af43 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2019-11-04 Christian Biesinger <cbiesinger@google.com>
+
+ * psympriv.h: Add static_asserts for sizeof (general_symbol_info)
+ and sizeof (symbol).
+ * symtab.h: Add a static_assert for sizeof (partial_symbol).
+
2019-11-04 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* NEWS (Changes since GDB 8.3): Document Solaris 10 removal.
diff --git a/gdb/psympriv.h b/gdb/psympriv.h
index 19d692bd230..c81261a38f6 100644
--- a/gdb/psympriv.h
+++ b/gdb/psympriv.h
@@ -82,6 +82,12 @@ struct partial_symbol
ENUM_BITFIELD(address_class) aclass : SYMBOL_ACLASS_BITS;
};
+/* This struct is size-critical (see comment at the to of symtab.h), so this
+ assert makes sure the size doesn't change accidentally. Be careful when
+ purposely increasing the size. */
+gdb_static_assert ((sizeof (void *) == 8 && sizeof (partial_symbol) == 40)
+ || (sizeof (void *) == 4 && sizeof (partial_symbol) == 24));
+
/* A convenience enum to give names to some constants used when
searching psymtabs. This is internal to psymtab and should not be
used elsewhere. */
diff --git a/gdb/symtab.h b/gdb/symtab.h
index eac44aee156..83b75d1647a 100644
--- a/gdb/symtab.h
+++ b/gdb/symtab.h
@@ -446,6 +446,13 @@ struct general_symbol_info
short section;
};
+/* This struct is size-critical (see comment at the top), so this assert
+ makes sure the size doesn't change accidentally. Be careful when
+ purposely increasing the size. */
+gdb_static_assert ((sizeof (void *) == 8 && sizeof (general_symbol_info) == 32)
+ || (sizeof (void *) == 4 &&
+ sizeof (general_symbol_info) == 20));
+
extern void symbol_set_demangled_name (struct general_symbol_info *,
const char *,
struct obstack *);
@@ -1187,6 +1194,12 @@ struct symbol
struct symbol *hash_next;
};
+/* This struct is size-critical (see comment at the top), so this assert
+ makes sure the size doesn't change accidentally. Be careful when
+ purposely increasing the size. */
+gdb_static_assert ((sizeof (void *) == 8 && sizeof (symbol) == 72)
+ || (sizeof (void *) == 4 && sizeof (symbol) == 40));
+
/* Several lookup functions return both a symbol and the block in which the
symbol is found. This structure is used in these cases. */